Tahoe Maggots
Spend the $45 or $50 a year to buy the membership with REMSA or CALSTAR.
If you get seriously hurt and are flown out by anything other than CHP you're looking at a $15,000 bill. Most of the providers in California, Oregon, Nevada, and Idaho are reciprocal partners. So if you're skiing out of Portland, Bend, Seattle, Tahoe, or even Shasta you won't pay a cent out of pocket.